Finding the Fourth Proportional to 2,536,130.30, 3,499,859.88 and 1,390,186.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536,130.30 : 3,499,859.88 = 1,390,186.04 : x
2. Step 2: Convert to fraction form
   2,536,130.30/3,499,859.88 = 1,390,186.04/x
3. Step 3: Cross multiply
   2,536,130.30x = 3,499,859.88 × 1,390,186.04
4. Step 4: Simplify right side
   2,536,130.30x = 4,865,456,329,632.78
5. Step 5: Solve for x
   x = 4,865,456,329,632.78/2,536,130.30
6. Step 6: Final answer
   x = 1,918,456.77